VI
- 10
Possible cause
Step
Check
Result
Remedy
Top margin
setting error
1
Does self test printing have no problem?
Yes
Check again the top margin
setting in the printing data.
Paper load in
the cassette
2
Is over-amount of paper than specified load
on the cassette?
Yes
Reduce the paper load below
the specified limit.
Faulty registration
I-13
Paper failure
3
Does print quality improve when
recommended paper is used?
Yes
Use recommended paper.
Paper failure
4
Is paper curled?
Yes
Use recommended fresh
paper without curl.
Improper Y
offset setting
5
Does print quality improve when Y offset
setting is changed?
Yes
Ajust Y offset setting to an
appropriate value.
Jam remove
cover failure
6
Is the jam remove cover deformed?
Yes
Replace the jam remove
cover.
Failure in
regist sensor
actuator motion
7
Does the regist sensor actuator operate
smoothly?
No
Reassemble the actuator
and, if the problem is not
resolved, replace the actuator.
Regist sensor
failure
8
Is the voltage at the pin 5 of the connector P3
of the main PCB 5V when no paper passes
and 0V when paper passes?
No
Replace the paper feed/size-
sw PCB assy or the harness
and, if the problem remains,
replace the main PCB assy.
Paper feed
roller failure
Yes
Replace the paper feed roller
assy.
Possible cause
Step
Check
Result
Remedy
Fixing unit release
spacer not
removed
1
Is the fixing unit release spacer removed?
No
Remove the fixing unit
release spacer.
Paper failure
3
Is thick paper over than 36lb (135g/m
2
) used?
Yes
Instruct the user to use the
paper whose thickness is
less than the recommended
value.
Poor fixing
I-14
Thermistor
failure
4
Is the voltage at the pin 3 of the connector
P11 of the main PCB is controlled within
1.80±0.10V during continuous printing?
No
Replace the fixing unit.
Replace the fixing unit.
Fixing unit
failure
Yes
2
MEDIA TYPE
setting
Yes
Is the MEDIA TYPE set to TRANSPARENCY?
Set the MEDIA TYPE to
REGULAR or THICK PAPER.
Содержание 1660e - B/W Laser Printer
Страница 1: ...MECHANICS ELECTRONICS SERVICE MANUAL LASER PRINTER ...
Страница 108: ...Appendix 2 Paper Feed Size SW PCB Circuitry Diagram 1 1 A 2 CODE NAME UK2516000 B48K139 140CIR JW 27 95 P053 ...
Страница 109: ...Appendix 3 Main PCB Circuitry Diagram 1 7 CODE UK3787000 B48K294 295CIR 1 7 NAME A 3 ...
Страница 110: ...Appendix 4 Main PCB Circuitry Diagram 2 7 CODE UK3787000 B48K294 295CIR 2 7 NAME A 4 ...
Страница 111: ...Appendix 5 Main PCB Circuitry Diagram 3 7 CODE UK3787000 B48K294 295CIR 3 7 NAME A 5 ...
Страница 112: ...Appendix 6 Main PCB Circuitry Diagram 4 7 CODE UK3787000 B48K294 295CIR 4 7 NAME A 6 ...
Страница 113: ...Appendix 7 Main PCB Circuitry Diagram 5 7 CODE UK3787000 B48K294 295CIR 5 7 NAME A 7 ...
Страница 114: ...Appendix 8 Main PCB Circuitry Diagram 6 7 CODE UK3787000 B48K294 295 CIR 6 7 NAME A 8 ...
Страница 115: ...Appendix 9 Main PCB Circuitry Diagram 7 7 CODE UK3787000 B48K294 295CIR 7 7 NAME A 9 ...
Страница 116: ...Appendix 10 Control Panel PCB Circuitry Diagram 1 1 A 10 CODE NAME UK2527000 B48K143CIR ...
Страница 117: ...Appendix 11 Scanner LD PCB Circuitry Diagram 1 1 A 11 CODE NAME UK2674000 B48K165CIR ...